Maximum nitrogen percentage is in________________?

Related Mcqs:

1. Which of the following nitrogenous fertilisers has the highest percentage of nitrogen ?

   A. Calcium nitrate
   B. Calcium ammonium nitrate (CAN)
   C. Urea
   D. Ammonium sulphate

2. Which of the following fertilisers contains the least percentage of nitrogen ?

   A. Liquid ammonia
   B. Urea
   C. Ammonium phosphate
   D. Ammonium sulphate

3. Nitrogen content of a nitrogenous fertiliser is 35%. It could be___________________?

   A. Urea
   B. Ammonium nitrate
   C. Calcium ammonium nitrate (CAN)
   D. Ammonium sulphate

4. Nitrogen content of urea is about _____________ percent ?

   A. 10
   B. 46
   C. 80
   D. 94

5. The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about ____________ percent?

   A. 60
   B. 30
   C. 95
   D. 100

6. During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about ______________ percent?

   A. 38
   B. 68
   C. 82
   D. 98

7. Nitrogen content of calcium ammonium nitrate (CAN) is _____________ percent?

   A. 10
   B. 25
   C. 50
   D. 80

8. Nitrogen content in ammonium sulphate (a fertiliser) is around ______________ percent?

   A. 5
   B. 20
   C. 50
   D. 65

9. Though liquid ammonia itself is a fertiliser (with 82% nitrogen content) yet it is commonly not used as such in a tropical country like India, because it___________________?

   A. Has a pungent smell
   B. Vaporises at normal temperature
   C. Is toxic and highly corrosive
   D. Is in short supply

10. P2O5 percentage in the phosphoric acid produced by wet process is about_________________?

    A. 10
    B. 30
    C. 50
    D. 70